JANA Partners Management, LP has disclosed its latest investment holdings in a 13F filing, revealing a total value of over $1.5 billion as of September 30, 2026. This significant update is crucial for understanding the firm's investment strategies and market positioning.

Founded in Delaware, JANA Partners Management, LP is an asset management firm known for its activist investment approach. The firm is registered under the Central Index Key (CIK) number 0001998597. The latest filing, dated November 13, 2026, follows a series of recent filings, including a Schedule 13D/A just days prior on November 10, 2026.

The filing indicates that JANA Partners holds a diversified portfolio with substantial investments in various companies. Notably, the firm has invested in:

  • Alkami Technology Inc: 6,747,707 shares valued at approximately $92,376,109.
  • Casella Waste Systems Inc: 1,812,493 shares valued at approximately $145,633,813.
  • Cooper Companies Inc: 3,838,420 shares valued at approximately $216,985,883.
  • FISERV Inc: 4,150,249 shares valued at approximately $187,508,250.
  • Lamb Weston Holdings Inc: 5,394,635 shares valued at approximately $224,902,333.
  • Mercury Systems Inc: 3,871,129 shares valued at approximately $321,303,707.
  • Modine Manufacturing Company: 287,620 shares valued at approximately $53,842,464.
  • Rapid7 Inc: 6,749,936 shares valued at approximately $82,484,218.
  • Six Flags Entertainment Corp: 4,669,202 shares valued at approximately $50,007,153.
  • State Street SPDR S&P 500 ETF Trust: 280,727 shares valued at approximately $214,090,832.

According to the filing, JANA Partners has maintained sole investment discretion over these holdings, indicating a strategic approach to asset management. The total value of the reported holdings amounts to approximately $1,589,134,762.

This filing may affect various stakeholders, including investors, analysts, and competitors in the asset management industry. By showcasing a diverse portfolio, JANA Partners signals its commitment to leveraging opportunities across multiple sectors.

Looking ahead, it remains to be seen how JANA Partners will adjust its investment strategies in response to market conditions. The filing does not specify any upcoming actions or changes in the investment approach.